<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>封装自己的数学对象</title>
  </head>
  <body>
    <script>
      var myMath = {
        PI: 3.141592653589793,
        max: function () {
          var max = arguments[0];
          for (var i = 1; i < arguments.length; i++) {
            if (arguments[i] > max) {
              max = arguments[i];
            }
          }
          return max;
        },
        min: function () {
          var min = arguments[0];
          for (var e = 1; e < arguments.length; e++) {
            if (arguments[e] < min) {
              min = arguments[e];
            }
          }
          return min;
        }
      };

      console.log('圆周率--', myMath.PI);
      console.log('最大值--', myMath.max(1, 3, 90));
      console.log('最小值--', myMath.min(1, 3, 44));
    </script>
  </body>
</html>
